答案1
作为起点(例外):
\documentclass[tikz, border=6mm]{standalone}
\usetikzlibrary{arrows.meta, positioning, shadows}
\begin{document}
\begin{tikzpicture}[
node distance = 5mm and 7mm,
arr/.style = {-Triangle,very thick},
box/.style = {rectangle, draw, semithick,
minimum height=9mm, minimum width=17mm,
fill=white, drop shadow},
]
\node (n1) [box] {Task};
\node (n2) [box, below right=of n1] {Representation};
\node (n3) [box, above right=of n2] {Skils};
\node (n4) [box, below left=of n2] {Difficulty};
\node (n5) [box, right=of n2] {Solution};
%
\draw[arr] (n1) -| ([xshift=-3mm] n2.north);
\draw[arr] (n3) -| ([xshift= 3mm] n2.north);
\draw[arr] (n4) -| (n2);
\draw[arr] (n2) -- (n5);
\end{tikzpicture}
\end{document}
精细调整就留给你了。